Home / 12,449,508-17,194,492.80-8,368,041.12

Finding the Fourth Proportional to 12,449,508, 17,194,492.80 and 8,368,041.12

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Solution

The fourth proportional to 12,449,508, 17,194,492.80 and 8,368,041.12 is: 11,557,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,508 : 17,194,492.80 = 8,368,041.12 : x
  2. Step 2: Convert to fraction form
    12,449,508/17,194,492.80 = 8,368,041.12/x
  3. Step 3: Cross multiply
    12,449,508x = 17,194,492.80 × 8,368,041.12
  4. Step 4: Simplify right side
    12,449,508x = 143,884,222,787,943.94
  5. Step 5: Solve for x
    x = 143,884,222,787,943.94/12,449,508
  6. Step 6: Final answer
    x = 11,557,422.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.